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호도약침(胡桃藥鍼)이 Glycerol에 의한 급성신부전(急性腎不全) 유발(誘發)시 요농축능(尿濃縮能)의 장애(障碍)에 대한 영향(影響)
이병훈,서정철,윤현민,송춘호,안창범,장경전,Lee, Byung-Hoon,Seo, Jung-Chul,Youn, Hyoun-Min,Song, Choon-Ho,Ahn, Chang-Beohm,Jang, Kyung-Jeon 대한침구의학회 2001 대한침구의학회지 Vol.18 No.3
Objective : The present study was carried out to determine if Juglandis Semen Aquacupuncture(JSA) exerts beneficial effect against the urine concentrating defect induced by glycerol injection in rabbits. Methods : In order to test the effect of JSA, rabbits were acupunctured with $0.5m{\ell}$ of 1%JSA for 7days at both sides of $Sh{\grave{e}}ns{\bar{u}}$(BL23) before the glycerol injection. The other animals were pretreated with an equal volume of saline instead of JSA. Results : The urine flow was reduced, but the urine osmolality was significantly lower than the basal period in glycerol-injected animals, indicating that glycerol causes the urine concentrating defect. The fractional excretion of Na and K was increased in glycerol-treated animals. The Free-water clearance and fractional water excretion(V/GFR) were increased in animals treated with glycerol. Conclusion : These results indicate that glycerol injection resulted an impairment in the urine concentrating ability in rabbits. Such changes were prevented by JSA. JSA may be used as a method to treat and prevent glycerol-induced acute renal failure.
탄성 다물체계에 대한 조인트좌표 공간에서의 역동역학 해석
이병훈,Lee, Byung-Hoon 대한기계학회 1997 大韓機械學會論文集A Vol.21 No.2
An inverse dynamic procedure for spatial multibody systems containing flexible bodies is developed in the relative joint coordinate space. Constraint acceleration equations are derived in terms of relative coordinates using the velocity transformation technique. An inverse velocity transformation operator, which transforms the Cartesian velocities to the relative velocities, is derived systematically corresponding to the types of kinematic joints connecting the bodies and the system reference matrix. Using the resulting matrix, the joint reaction forces and moments are analyzed in the Cartesian coordinate space. The formulation is illustrated by means of two numerical examples.
유산소 병행 운동과 순수 저항 운동의 근활성도 및 근 두께의 변화
이병훈,유재영,정진규,Lee, Byung-Hoon,Yoo, Jae-Young,Jeong, Jin-Gyu 한국전자통신학회 2013 한국전자통신학회 논문지 Vol.8 No.5
This study aims to compare the effects of pure resistance exercise and resistance exercise added aerobic exercise for enhancing muscle strength of the femoral region and provide the evidentiary materials of an exercise program for improving muscle strength in clinical setting. Muscle activity of rectus femoris showed statistically significant differences after experiment compared to before experiment in the two groups and resistance exercise added aerobic exercise group showed statistically significant difference compared to pure resistance exercise group in group comparison according to the period of measurement. Thickness of rectus femoris showed no significant difference after experiment compared to before experiment in both groups, but resistance exercise added aerobic exercise group showed statistically significant difference after experiment compared to before experiment in group comparison according to the period of measurement. In conclusion, it was found that aerobic exercise after resistance exercise was more effective in enhancing muscle activity and thickness than pure resistance exercise for enhancing muscle activity. 본 연구는 넙다리 부위의 근력 증진을 위해 순수 저항운동과 유산소 병행 저항운동의 효과를 비교해 임상에서 근력증진을 목적으로 한 운동 프로그램의 근거자료를 제공하고자 하였다. 넙다리 곧은근의 근활성도는 두 군 모두 실험전에 비해 실험후 통계적으로 유의한 차이가 있었고, 측정시기에 따른 군간 비교에서 순수 저항 운동군에 비해 유산소 병행 운동군이 통계적으로 유의한 차이가 있었다. 넙다리 곧은근의 두께는 두 군 모두 실험전에 비해 실험 후 유의한 차이가 없었으나, 측정 시기에 따른 군간비교에서 실험후에 순수 저항 운동군에 비해 유산소 병행 저항 운동군이 통계적으로 유의한 차이가 있었다. 결론적으로 근력 증진을 목적으로한 순수 저항 운동보다 저항 운동 후 유산소 운동을 실시하는 유산소 병행 운동이 근활성화 및 근 비대에 더 효과적임을 알 수 있었다.
탄성체를 포함하는 마운트계의 동역학 해석 프로그램 개발
이병훈,김경우,정우진,Lee, Byeong-Hun,Kim, Gyeong-U,Jeong, U-Jin 대한기계학회 2000 大韓機械學會論文集A Vol.24 No.1
A computer program for three dimensional dynamic analysis of a mount system composed of rigid or flexible bodies and mount elements is developed. Cartesian coordinates and Euler parameters are used to specify the positions and orientations of the bodies. The equations of motion are formulated using Langrange equation and Langrange multiplier technique. The developed program includes routine, for inclined mount elements, several kinds of driving constrains, and external forces. The Static equilibrium analysis routine is also developed using iterative method.
Latex 응집반응에 의한 경남중부지역 돼지의 톡소플라즈마병 항체조사
이병훈,김차용,서명득,Lee, Byung-hoon,Kim, Cha-yong,Suh, Myung-deuk 대한수의학회 1993 大韓獸醫學會誌 Vol.33 No.2
This study was conducted to detect the serum antibody of toxoplasma in swine from breeding-pig, rearing-pig farm and slaughtered pig in abattior by latex agglutination(LA) test. The perfomance of LA test was carried out with commercial Toxo-MT kit(Eiken Chemical Co.)by Tsubota and Ozawa's method. The cut-off titer of positive and negative reactions by Toxo-MT antigen used in this experiment was determined as the serum titer of 1 : 32. Positive rate of toxoplasma antibody from the total of 823 serum samples by LA test was 17.0%(140 cases). And positive rates of toxoplasma antibody against serum samples of 194 from breeding-pig farm, 273 from rearing-pig farm and 356 from abattior were 91 cases(46. 9%), 23 cases(8.4%) and 26 cases(7.3%), respectively. The distributions of serum antibody titers in 823 test sera by LA test were shown 51 cases(36.3%) in 1:32, 40(28.6%) in 1:64, 17(12.1%) in 1:128, 14(10.0%) in 1:256, 3(2.1%) in 1:512, 5(3.6%) in 1:1024 and 3(2.1%) in 1:2048. The ranges of positive rate from the sera in each group of breeding-pig farms were 20~61.9%.